HEATHER B MARSHALL DO
NPI 1538127634
Emergency Medicine - Emergency Medical Services in Silver Spring, MD
About Heather B Marshall Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEATHER B MARSHALL DO (NPI 1538127634) is an individual emergency medical services provider in Silver Spring, Maryland, licensed in Washington (OP00001876) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Heather B Marshall Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Heather Marshall reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Silver Spring, MD 20910
- Reassigned Medicare billing, District of Columbia enrollment
- 105 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 251 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20910 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SILVER SPRING, MD 20910
SILVER SPRING, MD 20910
SILVER SPRING, MD 20910
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Heather Marshall's NPI number?
The NPI number for Heather Marshall is 1538127634. It was assigned to this individual provider in the NPPES registry on May 1, 2006.
Where is Heather Marshall located?
Heather Marshall practices at 1500 Forest Glen Rd, Silver Spring, MD 20910. The listed phone number is (301) 754-7400.
What is Heather Marshall's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Heather Marshall enrolled in Medicare?
Yes. Heather Marshall is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Heather Marshall's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Marshall reassigns Medicare benefits to 2 organizations: Cep America LLC (Silver Spring, MD) and Mep Health, LLC (Rockville, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Heather Marshall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Heather Marshall was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Heather B Marshall, DO · NPI 1538127634
Emergency Medical Services physician in Silver Spring, Maryland. Individual provider, active in the CMS NPPES registry since May 1, 2006.
## Identity
- **NPI:** 1538127634 (Entity type: Individual)
- **Enumerated:** May 1, 2006
- **Primary specialty:** Emergency Medicine - Emergency Medical Services · taxonomy 207PE0004X
- **State license:** OP00001876 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 FOREST GLEN RD, Silver Spring, MD 20910-1483
- **Phone:** (301) 754-7400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cep America LLC (NPI 1851286041, Silver Spring, MD); Mep Health, LLC (NPI 1164483558, Rockville, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 8, 2025
- **Other identifiers:** Medicaid 8360810 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1538127634) · Data from the CMS NPPES public registry.